Full Idea
If there are worlds in which the causal laws are different from those that prevail in this world, ..then the properties will have to be different as well.
Gist of Idea
If a world has different causal laws, it must have different properties
Source
Sydney Shoemaker (Causality and Properties [1980], §09)
Book Reference
Shoemaker,Sydney: 'Identity, Cause and Mind' [OUP 2003], p.226
A Reaction
The next question is whether the same stuff (e.g. gold or water) could have different properties, and I take the the scientific essentialism answer to be 'no'. So the actual stuff (substances?) would have to be different.